Duraheat, 220,000 BTU, Kerosene Portable Forced Air Heater With Dual Heat Technology, 180,000 BTU On Low, 220,000 BTU On High, Commercial Grade, Heats Up To 5,300 SQ FT, Includes Digital Diagnostics & Led Temperature Indicator, Flat Free Cold Weather Tires, Built In Thermostat, 13 Gallon Fuel Tank, 650 CFM, Run Time Fuel Gauge, On/Off Switch, 1 Touch Ignition, Built In Air Pressure Gauge, Auxiliary Power Outlet, Threaded Axle System, 1 Touch Electronic Start, Extension Cord Wrap, Dual Lift Handles & Convenient Drain Plug, Includes UL Listed Large Capacity Motors & Fuse Protected Electrical System, All Components Are Securely Fastened Into Chassis To Insure Long Life, Utilizes Heavy Duty Spark Technology For In Field Endurance, Multi-Fuel Capable, Has Been Factory Tested To Operate With 1K Kerosene, #1 & #2 Fuel Oil & Diesel, Jp-8 & Jet-A Fuels.